_______did it _______ the conductor to check the tickets this morning? — Half an hour.

My mother is decorating our house _____ paper cuts.[ ]

I don’t know much about computer.—I don’t know,. Let’s go and ask our computer teacher for help.

Would you mind _______ the music? Your grandpa is sleeping.––Sorry. I’ll do it right away.

It’s ______ late ______ go there on foot now. I think you’d better take a taxi. [ ]